Fix two issues shown by bug 489995
[pdfium.git] / fpdfsdk / src / fsdk_annothandler.cpp
index b2a24a8..bb999e1 100644 (file)
-// Copyright 2014 PDFium Authors. All rights reserved.\r
-// Use of this source code is governed by a BSD-style license that can be\r
-// found in the LICENSE file.\r
\r
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com\r
-\r
-#include "../include/fsdk_define.h"\r
-#include "../include/fsdk_mgr.h"\r
-#include "../include/formfiller/FFL_FormFiller.h"\r
-#include "../include/fsdk_annothandler.h"\r
-\r
-\r
-CPDFSDK_AnnotHandlerMgr::CPDFSDK_AnnotHandlerMgr(CPDFDoc_Environment* pApp)\r
-{\r
-       m_pApp = pApp;\r
-\r
-       CPDFSDK_BFAnnotHandler* pHandler = new CPDFSDK_BFAnnotHandler(m_pApp);\r
-       pHandler->SetFormFiller(m_pApp->GetIFormFiller());\r
-       RegisterAnnotHandler(pHandler);\r
-}\r
-\r
-CPDFSDK_AnnotHandlerMgr::~CPDFSDK_AnnotHandlerMgr()\r
-{\r
-       for(int i=0; i<m_Handlers.GetSize(); i++)\r
-       {\r
-               IPDFSDK_AnnotHandler* pHandler = m_Handlers.GetAt(i);\r
-               delete pHandler;\r
-       }\r
-       m_Handlers.RemoveAll();\r
-       m_mapType2Handler.RemoveAll();\r
-}\r
-\r
-void   CPDFSDK_AnnotHandlerMgr::RegisterAnnotHandler(IPDFSDK_AnnotHandler* pAnnotHandler)\r
-{\r
-       ASSERT(pAnnotHandler != NULL);\r
-       \r
-       ASSERT(GetAnnotHandler(pAnnotHandler->GetType()) == NULL);\r
-       \r
-       m_Handlers.Add(pAnnotHandler);\r
-       m_mapType2Handler.SetAt(pAnnotHandler->GetType(), (void*)pAnnotHandler);\r
-}\r
-\r
-void CPDFSDK_AnnotHandlerMgr::UnRegisterAnnotHandler(IPDFSDK_AnnotHandler* pAnnotHandler)\r
-{\r
-       ASSERT(pAnnotHandler != NULL);\r
-       \r
-       m_mapType2Handler.RemoveKey(pAnnotHandler->GetType());\r
-       \r
-       for (int i=0, sz=m_Handlers.GetSize(); i<sz; i++)\r
-       {\r
-               if (m_Handlers.GetAt(i) == pAnnotHandler)\r
-               {\r
-                       m_Handlers.RemoveAt(i);\r
-                       break;\r
-               }\r
-       }\r
-}\r
-\r
-CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::NewAnnot(CPDF_Annot * pAnnot, CPDFSDK_PageView *pPageView)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       ASSERT(pPageView != NULL);\r
-       \r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot->GetSubType()))\r
-       {\r
-               return pAnnotHandler->NewAnnot(pAnnot, pPageView);\r
-       }\r
-       \r
-       return new CPDFSDK_Annot(pAnnot, pPageView);\r
-}\r
-\r
-void CPDFSDK_AnnotHandlerMgr::ReleaseAnnot(CPDFSDK_Annot* pAnnot)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       \r
-       pAnnot->GetPDFPage();\r
-       \r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               pAnnotHandler->OnRelease(pAnnot);\r
-               pAnnotHandler->ReleaseAnnot(pAnnot);\r
-       }\r
-       else\r
-       {\r
-               delete (CPDFSDK_Annot*)pAnnot;\r
-       }\r
-}\r
-\r
-void CPDFSDK_AnnotHandlerMgr::Annot_OnCreate(CPDFSDK_Annot* pAnnot)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       \r
-       CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot();\r
-       ASSERT(pPDFAnnot != NULL);\r
-       ASSERT(pPDFAnnot->m_pAnnotDict != NULL);\r
-       \r
-       CPDFSDK_DateTime curTime;\r
-       pPDFAnnot->m_pAnnotDict->SetAtString("M", curTime.ToPDFDateTimeString());\r
-       pPDFAnnot->m_pAnnotDict->SetAtNumber("F", (int)0);      \r
-       \r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               pAnnotHandler->OnCreate(pAnnot);\r
-       }\r
-}\r
-\r
-void CPDFSDK_AnnotHandlerMgr::Annot_OnLoad(CPDFSDK_Annot* pAnnot)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       \r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               pAnnotHandler->OnLoad(pAnnot);\r
-       }\r
-}\r
-\r
-IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler(CPDFSDK_Annot* pAnnot) const\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       \r
-       CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot();\r
-       ASSERT(pPDFAnnot != NULL);\r
-       \r
-       return GetAnnotHandler(pPDFAnnot->GetSubType());\r
-}\r
-\r
-IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler(const CFX_ByteString& sType) const\r
-{\r
-       void* pRet = NULL;\r
-       m_mapType2Handler.Lookup(sType, pRet);  \r
-       return (IPDFSDK_AnnotHandler*)pRet;\r
-}\r
-\r
-void CPDFSDK_AnnotHandlerMgr::Annot_OnDraw(CPDFSDK_PageView* pPageView, CPDFSDK_Annot* pAnnot, CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,FX_DWORD dwFlags)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       \r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               pAnnotHandler->OnDraw(pPageView, pAnnot, pDevice, pUser2Device, dwFlags);\r
-       }\r
-       else\r
-       {\r
-               pAnnot->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, NULL);\r
-       }\r
-}\r
-\r
-\r
-FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDown(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       \r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               return pAnnotHandler->OnLButtonDown(pPageView, pAnnot, nFlags, point);\r
-       }\r
-       return FALSE;\r
-}\r
-FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonUp(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)\r
- {\r
-       ASSERT(pAnnot != NULL);\r
-\r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               return pAnnotHandler->OnLButtonUp(pPageView, pAnnot, nFlags, point);\r
-       }\r
-       return FALSE;\r
- }\r
-FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDblClk(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       \r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               return pAnnotHandler->OnLButtonDblClk(pPageView, pAnnot, nFlags, point);\r
-       }\r
-       return FALSE;\r
-}\r
-FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnMouseMove(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       \r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               return pAnnotHandler->OnMouseMove(pPageView, pAnnot, nFlags, point);\r
-       }\r
-       return FALSE;\r
-}\r
-FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnMouseWheel(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, short zDelta, const CPDF_Point& point)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       \r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               return pAnnotHandler->OnMouseWheel(pPageView, pAnnot,nFlags,zDelta, point);\r
-       }\r
-       return FALSE;\r
-}\r
-FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonDown(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       \r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               return pAnnotHandler->OnRButtonDown(pPageView, pAnnot, nFlags, point);\r
-       }\r
-       return FALSE;\r
-}\r
-FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonUp(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       \r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               return pAnnotHandler->OnRButtonUp(pPageView, pAnnot, nFlags, point);\r
-       }\r
-       return FALSE;\r
-}\r
-\r
-void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseEnter(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       \r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               pAnnotHandler->OnMouseEnter(pPageView, pAnnot, nFlag);\r
-       }\r
-       return ;\r
-}\r
-\r
-void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseExit(CPDFSDK_PageView * pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       \r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               pAnnotHandler->OnMouseExit(pPageView, pAnnot, nFlag);\r
-       }\r
-       return;\r
-}\r
-\r
-FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnChar(CPDFSDK_Annot* pAnnot, FX_DWORD nChar, FX_DWORD nFlags)\r
-{\r
-\r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               return pAnnotHandler->OnChar(pAnnot,nChar, nFlags);\r
-       }\r
-       return FALSE;\r
-\r
-}\r
-\r
-FX_BOOL                        CPDFSDK_AnnotHandlerMgr::Annot_OnKeyDown(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag)\r
-{\r
-\r
-       if (!m_pApp->FFI_IsCTRLKeyDown(nFlag) && !m_pApp->FFI_IsALTKeyDown(nFlag))\r
-       {\r
-               CPDFSDK_PageView* pPage = pAnnot->GetPageView();\r
-               CPDFSDK_Annot* pFocusAnnot = pPage->GetFocusAnnot();\r
-               if (pFocusAnnot && (nKeyCode == FWL_VKEY_Tab))\r
-               {\r
-                       CPDFSDK_Annot* pNext = GetNextAnnot(pFocusAnnot, !m_pApp->FFI_IsSHIFTKeyDown(nFlag));\r
-\r
-                       if(pNext && pNext != pFocusAnnot)\r
-                       {\r
-                               CPDFSDK_Document* pDocument = pPage->GetSDKDocument();\r
-                               pDocument->SetFocusAnnot(pNext);\r
-                               return TRUE;\r
-                       }\r
-               }\r
-       }\r
-\r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               return pAnnotHandler->OnKeyDown(pAnnot,nKeyCode, nFlag);\r
-       }\r
-       return FALSE;\r
-}\r
-FX_BOOL                        CPDFSDK_AnnotHandlerMgr::Annot_OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag)\r
-{\r
-       return FALSE;\r
-}\r
-\r
-FX_BOOL                        CPDFSDK_AnnotHandlerMgr::Annot_OnSetFocus(CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-\r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               if (pAnnotHandler->OnSetFocus(pAnnot, nFlag))\r
-               {\r
-                       CPDFSDK_PageView* pPage = pAnnot->GetPageView();\r
-                       ASSERT(pPage != NULL);\r
-\r
-                       pPage->GetSDKDocument();\r
-       //              pDocument->SetTopmostAnnot(pAnnot);\r
-\r
-                       return TRUE;\r
-               }\r
-               else\r
-               {\r
-                       return FALSE;\r
-               }\r
-       }\r
-       \r
-       return FALSE;\r
-}\r
-\r
-FX_BOOL                        CPDFSDK_AnnotHandlerMgr::Annot_OnKillFocus(CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       \r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               if (pAnnotHandler->OnKillFocus(pAnnot, nFlag))\r
-               {       \r
-                       return TRUE;\r
-               }\r
-               else\r
-                       return FALSE;\r
-       }\r
-       \r
-       return FALSE;\r
-}\r
-\r
-CPDF_Rect      CPDFSDK_AnnotHandlerMgr::Annot_OnGetViewBBox(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot)\r
-{\r
-       ASSERT(pAnnot);\r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               return pAnnotHandler->GetViewBBox(pPageView, pAnnot);\r
-       }\r
-       return pAnnot->GetRect();\r
-}\r
-\r
-FX_BOOL        CPDFSDK_AnnotHandlerMgr::Annot_OnHitTest(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, const CPDF_Point& point)\r
-{\r
-       ASSERT(pAnnot);\r
-       if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))\r
-       {\r
-               if(pAnnotHandler->CanAnswer(pAnnot))\r
-                       return pAnnotHandler->HitTest(pPageView, pAnnot, point);\r
-       }\r
-       return FALSE;\r
-}\r
-\r
-CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::GetNextAnnot(CPDFSDK_Annot* pSDKAnnot,FX_BOOL bNext)\r
-{\r
-        CBA_AnnotIterator ai(pSDKAnnot->GetPageView(), "Widget", "");\r
-\r
-        CPDFSDK_Annot* pNext = bNext ? \r
-                ai.GetNextAnnot(pSDKAnnot) : \r
-               ai.GetPrevAnnot(pSDKAnnot);\r
-       \r
-               return pNext;\r
-}\r
-\r
-FX_BOOL CPDFSDK_BFAnnotHandler::CanAnswer(CPDFSDK_Annot* pAnnot)\r
-{\r
-       ASSERT(pAnnot);\r
-       ASSERT(pAnnot->GetType() == "Widget");\r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-       \r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-       }\r
-       else\r
-       {\r
-               CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;\r
-               if (!pWidget->IsVisible()) return FALSE;\r
-\r
-               int nFieldFlags = pWidget->GetFieldFlags();\r
-               if ((nFieldFlags & FIELDFLAG_READONLY) == FIELDFLAG_READONLY) return FALSE;\r
-               if (pWidget->GetFieldType() == FIELDTYPE_PUSHBUTTON)\r
-                       return TRUE;\r
-               else\r
-               {\r
-                       CPDF_Page* pPage = pWidget->GetPDFPage();\r
-                       ASSERT(pPage != NULL);\r
-                       \r
-                       CPDF_Document* pDocument = pPage->m_pDocument;\r
-                       ASSERT(pDocument != NULL);\r
-                       \r
-                       FX_DWORD dwPermissions = pDocument->GetUserPermissions();\r
-                       return (dwPermissions&FPDFPERM_FILL_FORM) || \r
-                               (dwPermissions&FPDFPERM_ANNOT_FORM) || \r
-                       (dwPermissions&FPDFPERM_ANNOT_FORM);\r
-               }\r
-       }\r
-\r
-       return FALSE;\r
-}\r
-\r
-CPDFSDK_Annot*         CPDFSDK_BFAnnotHandler::NewAnnot(CPDF_Annot* pAnnot, CPDFSDK_PageView* pPage)\r
-{\r
-       ASSERT(pPage != NULL);\r
-       pPage->GetPDFDocument();\r
-       \r
-       CPDFSDK_Document* pSDKDoc  = m_pApp->GetCurrentDoc();\r
-       ASSERT(pSDKDoc);\r
-       CPDFSDK_InterForm* pInterForm = (CPDFSDK_InterForm*)pSDKDoc->GetInterForm();\r
-       ASSERT(pInterForm != NULL);\r
-       \r
-       CPDFSDK_Widget* pWidget = NULL;\r
-       if (CPDF_FormControl* pCtrl = CPDFSDK_Widget::GetFormControl(pInterForm->GetInterForm(), pAnnot->m_pAnnotDict))\r
-       {\r
-               pWidget = new CPDFSDK_Widget(pAnnot, pPage, pInterForm);\r
-               pInterForm->AddMap(pCtrl, pWidget);\r
-               CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm();\r
-               if(pPDFInterForm && pPDFInterForm->NeedConstructAP())\r
-                       pWidget->ResetAppearance(NULL,FALSE);\r
-       }\r
-       \r
-       return pWidget;\r
-}\r
-\r
-void CPDFSDK_BFAnnotHandler::ReleaseAnnot(CPDFSDK_Annot* pAnnot)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-\r
-       if (m_pFormFiller)\r
-               m_pFormFiller->OnDelete(pAnnot);\r
-       \r
-       CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;\r
-       CPDFSDK_InterForm* pInterForm = pWidget->GetInterForm();\r
-       ASSERT(pInterForm != NULL);\r
-       \r
-       CPDF_FormControl* pCtrol = pWidget->GetFormControl();\r
-       pInterForm->RemoveMap(pCtrol);\r
-       \r
-\r
-       delete pWidget;\r
-}\r
-\r
-\r
-void CPDFSDK_BFAnnotHandler::OnDraw(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device,  FX_DWORD dwFlags)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-       \r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-               pAnnot->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, NULL);\r
-       }\r
-       else\r
-       {\r
-               if (m_pFormFiller)\r
-               {\r
-                       m_pFormFiller->OnDraw(pPageView, pAnnot, pDevice, pUser2Device, dwFlags);\r
-               }\r
-       }\r
-}\r
-\r
-void CPDFSDK_BFAnnotHandler::OnMouseEnter(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlag) \r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-       \r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-       }\r
-       else\r
-       {\r
-               if (m_pFormFiller)\r
-                        m_pFormFiller->OnMouseEnter(pPageView, pAnnot, nFlag);\r
-       }\r
-       \r
-\r
-}\r
-void CPDFSDK_BFAnnotHandler::OnMouseExit(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlag) \r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-       \r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-       }\r
-       else\r
-       {\r
-               if (m_pFormFiller)\r
-                        m_pFormFiller->OnMouseExit(pPageView, pAnnot, nFlag);\r
-       }\r
-       \r
-}\r
-FX_BOOL CPDFSDK_BFAnnotHandler::OnLButtonDown(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-       \r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-       }\r
-       else\r
-       {\r
-               if (m_pFormFiller)\r
-                       return m_pFormFiller->OnLButtonDown(pPageView, pAnnot, nFlags, point);\r
-       }\r
-       \r
-       return FALSE;\r
-}\r
-\r
-FX_BOOL CPDFSDK_BFAnnotHandler::OnLButtonUp(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-       \r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-       }\r
-       else\r
-       {\r
-               if (m_pFormFiller)\r
-                       return m_pFormFiller->OnLButtonUp(pPageView, pAnnot, nFlags, point);\r
-       }\r
-       \r
-       return FALSE;\r
-}\r
-\r
-FX_BOOL CPDFSDK_BFAnnotHandler::OnLButtonDblClk(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-       \r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-       }\r
-       else\r
-       {\r
-               if (m_pFormFiller)\r
-                       return m_pFormFiller->OnLButtonDblClk(pPageView, pAnnot, nFlags, point);\r
-       }\r
-       \r
-       return FALSE;\r
-}\r
-\r
-FX_BOOL CPDFSDK_BFAnnotHandler::OnMouseMove(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)\r
-{      \r
-       ASSERT(pAnnot != NULL);\r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-\r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-       }\r
-       else\r
-       {\r
-               if (m_pFormFiller)\r
-                       return m_pFormFiller->OnMouseMove(pPageView, pAnnot, nFlags, point);\r
-       }\r
-\r
-       return FALSE;\r
-\r
-}\r
-\r
-\r
-FX_BOOL CPDFSDK_BFAnnotHandler::OnMouseWheel(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, short zDelta, const CPDF_Point& point)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-       \r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-       }\r
-       else\r
-       {\r
-               if (m_pFormFiller)\r
-                       return m_pFormFiller->OnMouseWheel(pPageView, pAnnot, nFlags, zDelta,point);\r
-       }\r
-       \r
-       return FALSE;\r
-}\r
-\r
-FX_BOOL CPDFSDK_BFAnnotHandler::OnRButtonDown(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-       \r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-       }\r
-       else\r
-       {\r
-               if (m_pFormFiller)\r
-                       return m_pFormFiller->OnRButtonDown(pPageView, pAnnot, nFlags, point);\r
-       }\r
-       \r
-       return FALSE;\r
-}\r
-FX_BOOL CPDFSDK_BFAnnotHandler::OnRButtonUp(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, FX_DWORD nFlags, const CPDF_Point& point)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-       \r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-       }\r
-       else\r
-       {\r
-               if (m_pFormFiller)\r
-                       return m_pFormFiller->OnRButtonUp(pPageView, pAnnot, nFlags, point);\r
-       }\r
-       \r
-       return FALSE;\r
-}\r
-\r
-FX_BOOL CPDFSDK_BFAnnotHandler::OnChar(CPDFSDK_Annot* pAnnot, FX_DWORD nChar, FX_DWORD nFlags)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-       \r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-       }\r
-       else\r
-       {\r
-               if (m_pFormFiller)\r
-                       return m_pFormFiller->OnChar(pAnnot,nChar, nFlags);\r
-       }\r
-       \r
-       return FALSE;\r
-}\r
-\r
-FX_BOOL CPDFSDK_BFAnnotHandler::OnKeyDown(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-       \r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-       }\r
-       else\r
-       {\r
-               if (m_pFormFiller)\r
-                       return m_pFormFiller->OnKeyDown(pAnnot,nKeyCode, nFlag);\r
-       }\r
-       \r
-       return FALSE;\r
-}\r
-\r
-FX_BOOL CPDFSDK_BFAnnotHandler::OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag)\r
-{\r
-\r
-       return FALSE;\r
-}\r
-void   CPDFSDK_BFAnnotHandler::OnCreate(CPDFSDK_Annot* pAnnot) \r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-       \r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-       }\r
-       else\r
-       {\r
-               if (m_pFormFiller)\r
-                       m_pFormFiller->OnCreate(pAnnot);\r
-       }\r
-}\r
-\r
-void CPDFSDK_BFAnnotHandler::OnLoad(CPDFSDK_Annot* pAnnot)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       \r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-       \r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-       }\r
-       else\r
-       {\r
-               CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;\r
-               \r
-       if (!pWidget->IsAppearanceValid())\r
-                       pWidget->ResetAppearance(NULL, FALSE);\r
-               \r
-               int nFieldType = pWidget->GetFieldType();\r
-               \r
-               if (nFieldType == FIELDTYPE_TEXTFIELD || nFieldType == FIELDTYPE_COMBOBOX)\r
-               {\r
-                       FX_BOOL bFormated = FALSE;\r
-                       CFX_WideString sValue = pWidget->OnFormat(0, bFormated);\r
-                       \r
-                       if (bFormated && nFieldType == FIELDTYPE_COMBOBOX)\r
-                       {\r
-                               pWidget->ResetAppearance(sValue, FALSE);\r
-                       }\r
-               }\r
-               \r
-\r
-               if (m_pFormFiller)\r
-                       m_pFormFiller->OnLoad(pAnnot);\r
-\r
-       }\r
-}\r
-\r
-FX_BOOL        CPDFSDK_BFAnnotHandler::OnSetFocus(CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-       \r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-       }\r
-       else\r
-       {\r
-               if (m_pFormFiller)\r
-                       return m_pFormFiller->OnSetFocus(pAnnot,nFlag);\r
-       }\r
-       \r
-       return TRUE;\r
-}\r
-FX_BOOL        CPDFSDK_BFAnnotHandler::OnKillFocus(CPDFSDK_Annot* pAnnot, FX_DWORD nFlag)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-       \r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-       }\r
-       else\r
-       {\r
-               if (m_pFormFiller)\r
-                       return m_pFormFiller->OnKillFocus(pAnnot,nFlag);\r
-       }\r
-       \r
-       return TRUE;\r
-}\r
-\r
-CPDF_Rect CPDFSDK_BFAnnotHandler::GetViewBBox(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot)\r
-{\r
-       ASSERT(pAnnot != NULL);\r
-       CFX_ByteString sSubType = pAnnot->GetSubType();\r
-       \r
-       if (sSubType == BFFT_SIGNATURE)\r
-       {\r
-       }\r
-       else\r
-       {\r
-               if (m_pFormFiller)\r
-                       return m_pFormFiller->GetViewBBox(pPageView, pAnnot);\r
-\r
-       }\r
-       \r
-       return CPDF_Rect(0,0,0,0);\r
-}\r
-\r
-FX_BOOL        CPDFSDK_BFAnnotHandler::HitTest(CPDFSDK_PageView *pPageView, CPDFSDK_Annot* pAnnot, const CPDF_Point& point)\r
-{\r
-       ASSERT(pPageView);\r
-       ASSERT(pAnnot);\r
-\r
-       CPDF_Rect rect = GetViewBBox(pPageView, pAnnot);\r
-       return rect.Contains(point.x, point.y);\r
-}\r
-\r
-//CReader_AnnotIteratorEx\r
-\r
-CPDFSDK_AnnotIterator::CPDFSDK_AnnotIterator(CPDFSDK_PageView * pPageView,FX_BOOL bReverse,\r
-                                                                                                FX_BOOL bIgnoreTopmost/*=FALSE*/,\r
-                                                                                                FX_BOOL bCircle/*=FALSE*/,\r
-                                                                                                CFX_PtrArray *pList/*=NULL*/)\r
-{\r
-       ASSERT(pPageView);\r
-       m_bReverse=bReverse;\r
-       m_bIgnoreTopmost= bIgnoreTopmost;\r
-       m_bCircle=bCircle;\r
-       m_pIteratorAnnotList.RemoveAll();\r
-       InitIteratorAnnotList(pPageView,pList);\r
-}\r
-\r
-CPDFSDK_Annot* CPDFSDK_AnnotIterator::NextAnnot (const CPDFSDK_Annot* pCurrent) \r
-{\r
-       \r
-       int index=-1;\r
-       int nCount=this->m_pIteratorAnnotList.GetSize();\r
-       if(pCurrent){\r
-               for(int i=0;i<nCount;i++){\r
-                       CPDFSDK_Annot * pReaderAnnot= (CPDFSDK_Annot *)m_pIteratorAnnotList.GetAt(i);\r
-                       if(pReaderAnnot ==pCurrent){                    \r
-                               index=i;\r
-                               break;\r
-                       }                       \r
-               }\r
-       }       \r
-       return NextAnnot(index);\r
-}\r
-CPDFSDK_Annot* CPDFSDK_AnnotIterator::PrevAnnot (const CPDFSDK_Annot*pCurrent)\r
-{\r
-       \r
-       int index=-1;\r
-       int nCount=this->m_pIteratorAnnotList.GetSize();\r
-       if(pCurrent){\r
-               for(int i=0;i<nCount;i++){\r
-                       CPDFSDK_Annot * pReaderAnnot= (CPDFSDK_Annot*)m_pIteratorAnnotList.GetAt(i);\r
-                       if(pReaderAnnot ==pCurrent){                    \r
-                               index=i;\r
-                               break;\r
-                       }                       \r
-               }       \r
-       }\r
-       return PrevAnnot(index);        \r
-}\r
-CPDFSDK_Annot* CPDFSDK_AnnotIterator::NextAnnot (int& index) \r
-{      \r
-       \r
-       int nCount=m_pIteratorAnnotList.GetSize();\r
-    if(nCount<=0) index=-1;\r
-    else{\r
-               if(index<0){\r
-                       index=0;                \r
-               }\r
-               else{           \r
-                       if(m_bCircle){                  \r
-                               index=( index <nCount-1) ? (index+1) :0;                \r
-                       }\r
-                       else{\r
-                               index=( index <nCount-1) ? (index+1) :-1;               \r
-                       }\r
-                       \r
-               }       \r
-       }\r
-       return (index <0) ? NULL : (CPDFSDK_Annot*)m_pIteratorAnnotList.GetAt(index);           \r
-}\r
-\r
-\r
-CPDFSDK_Annot* CPDFSDK_AnnotIterator::PrevAnnot (int& index)\r
-{\r
-       \r
-       int nCount=m_pIteratorAnnotList.GetSize();\r
-    if(nCount<=0) index=-1;\r
-       else{   \r
-               if(index<0){\r
-                       index=nCount-1;          \r
-               }\r
-               else{   \r
-                       if(m_bCircle){                  \r
-                               index = ( index >0) ? (index-1) :nCount-1;              \r
-                       }\r
-                       else{\r
-                               index = ( index >0) ? (index-1) :-1;    \r
-                       }                               \r
-               }\r
-       }\r
-       return (index <0) ? NULL : (CPDFSDK_Annot*)m_pIteratorAnnotList.GetAt(index);           \r
-}\r
-\r
-\r
-CPDFSDK_Annot*CPDFSDK_AnnotIterator::Next(const CPDFSDK_Annot* pCurrent) \r
-{\r
-\r
-       return (m_bReverse) ? PrevAnnot(pCurrent):NextAnnot(pCurrent);           \r
-\r
-}\r
-\r
-CPDFSDK_Annot* CPDFSDK_AnnotIterator::Prev(const CPDFSDK_Annot* pCurrent) \r
-{\r
-\r
-       return (m_bReverse) ? NextAnnot(pCurrent):PrevAnnot(pCurrent);           \r
-}\r
-\r
-CPDFSDK_Annot*CPDFSDK_AnnotIterator::Next(int& index )\r
-{\r
-       \r
-       return (m_bReverse) ? PrevAnnot(index):NextAnnot(index);                 \r
-       \r
-}\r
-\r
-CPDFSDK_Annot* CPDFSDK_AnnotIterator::Prev(int& index )\r
-{\r
-       \r
-       return (m_bReverse) ? NextAnnot(index):PrevAnnot(index);                 \r
-}\r
-\r
-\r
-void CPDFSDK_AnnotIterator::InsertSort(CFX_PtrArray &arrayList, AI_COMPARE pCompare)\r
-{\r
-       for (int i = 1; i < arrayList.GetSize(); i++)\r
-       {\r
-               if (pCompare((CPDFSDK_Annot*)(arrayList[i]) , (CPDFSDK_Annot*)(arrayList[i-1])) < 0)\r
-               {\r
-                       int j = i-1;\r
-                       CPDFSDK_Annot* pTemp = (CPDFSDK_Annot*)arrayList[i];\r
-                       \r
-                       do\r
-                       {\r
-                               arrayList[j + 1] = arrayList[j];\r
-                       } while (--j >= 0 && pCompare(pTemp, (CPDFSDK_Annot*)arrayList[j]) < 0);\r
-\r
-                       arrayList[j+1] = pTemp;\r
-               }\r
-       }\r
-}\r
-\r
-int LyOrderCompare(CPDFSDK_Annot* p1, CPDFSDK_Annot* p2)\r
-{\r
-       if(p1->GetLayoutOrder() < p2->GetLayoutOrder())\r
-               return -1;\r
-       else if (p1->GetLayoutOrder() == p2->GetLayoutOrder())\r
-               return 0;\r
-       else\r
-               return 1;\r
-}\r
-\r
-FX_BOOL CPDFSDK_AnnotIterator::InitIteratorAnnotList(CPDFSDK_PageView* pPageView,CFX_PtrArray * pAnnotList)\r
-{\r
-       ASSERT(pPageView);\r
-       \r
-       \r
-\r
-       if(pAnnotList==NULL){   \r
-               pAnnotList=pPageView->GetAnnotList();\r
-       }\r
-\r
-       this->m_pIteratorAnnotList.RemoveAll();\r
-       if(!pAnnotList) return FALSE;\r
-\r
-       CPDFSDK_Annot * pTopMostAnnot= (m_bIgnoreTopmost) ? NULL : pPageView->GetFocusAnnot();\r
-\r
-\r
-       int nCount =pAnnotList->GetSize();\r
-\r
-       for(int i = nCount- 1 ;i >= 0;i--)\r
-       {\r
-               CPDFSDK_Annot * pReaderAnnot= (CPDFSDK_Annot*)pAnnotList->GetAt(i);\r
-               m_pIteratorAnnotList.Add(pReaderAnnot); \r
-       }\r
-\r
-       InsertSort(m_pIteratorAnnotList,&LyOrderCompare);\r
-\r
-       if(pTopMostAnnot)\r
-       {\r
-               for(int i=0 ;i<nCount;i++)\r
-               {\r
-                       CPDFSDK_Annot * pReaderAnnot = (CPDFSDK_Annot*)m_pIteratorAnnotList.GetAt(i);\r
-                       if(pReaderAnnot == pTopMostAnnot)\r
-                       {\r
-                               m_pIteratorAnnotList.RemoveAt(i);\r
-                               m_pIteratorAnnotList.InsertAt(0, pReaderAnnot);\r
-                               break;\r
-                       }       \r
-               }\r
-       }\r
-\r
-       return TRUE;\r
-}\r
-\r
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../include/fsdk_define.h"
+#include "../include/fsdk_mgr.h"
+#include "../include/formfiller/FFL_FormFiller.h"
+#include "../include/fsdk_annothandler.h"
+
+CPDFSDK_AnnotHandlerMgr::CPDFSDK_AnnotHandlerMgr(CPDFDoc_Environment* pApp) {
+  m_pApp = pApp;
+
+  CPDFSDK_BFAnnotHandler* pHandler = new CPDFSDK_BFAnnotHandler(m_pApp);
+  pHandler->SetFormFiller(m_pApp->GetIFormFiller());
+  RegisterAnnotHandler(pHandler);
+}
+
+CPDFSDK_AnnotHandlerMgr::~CPDFSDK_AnnotHandlerMgr() {
+  for (int i = 0; i < m_Handlers.GetSize(); i++) {
+    IPDFSDK_AnnotHandler* pHandler = m_Handlers.GetAt(i);
+    delete pHandler;
+  }
+  m_Handlers.RemoveAll();
+  m_mapType2Handler.clear();
+}
+
+void CPDFSDK_AnnotHandlerMgr::RegisterAnnotHandler(
+    IPDFSDK_AnnotHandler* pAnnotHandler) {
+  ASSERT(!GetAnnotHandler(pAnnotHandler->GetType()));
+
+  m_Handlers.Add(pAnnotHandler);
+  m_mapType2Handler[pAnnotHandler->GetType()] = pAnnotHandler;
+}
+
+void CPDFSDK_AnnotHandlerMgr::UnRegisterAnnotHandler(
+    IPDFSDK_AnnotHandler* pAnnotHandler) {
+  m_mapType2Handler.erase(pAnnotHandler->GetType());
+  for (int i = 0, sz = m_Handlers.GetSize(); i < sz; i++) {
+    if (m_Handlers.GetAt(i) == pAnnotHandler) {
+      m_Handlers.RemoveAt(i);
+      break;
+    }
+  }
+}
+
+CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::NewAnnot(CPDF_Annot* pAnnot,
+                                                 CPDFSDK_PageView* pPageView) {
+  ASSERT(pAnnot != NULL);
+  ASSERT(pPageView != NULL);
+
+  if (IPDFSDK_AnnotHandler* pAnnotHandler =
+          GetAnnotHandler(pAnnot->GetSubType())) {
+    return pAnnotHandler->NewAnnot(pAnnot, pPageView);
+  }
+
+  return new CPDFSDK_Annot(pAnnot, pPageView);
+}
+
+void CPDFSDK_AnnotHandlerMgr::ReleaseAnnot(CPDFSDK_Annot* pAnnot) {
+  ASSERT(pAnnot != NULL);
+
+  pAnnot->GetPDFPage();
+
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+    pAnnotHandler->OnRelease(pAnnot);
+    pAnnotHandler->ReleaseAnnot(pAnnot);
+  } else {
+    delete (CPDFSDK_Annot*)pAnnot;
+  }
+}
+
+void CPDFSDK_AnnotHandlerMgr::Annot_OnCreate(CPDFSDK_Annot* pAnnot) {
+  ASSERT(pAnnot != NULL);
+
+  CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot();
+
+  CPDFSDK_DateTime curTime;
+  pPDFAnnot->GetAnnotDict()->SetAtString("M", curTime.ToPDFDateTimeString());
+  pPDFAnnot->GetAnnotDict()->SetAtNumber("F", 0);
+
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+    pAnnotHandler->OnCreate(pAnnot);
+  }
+}
+
+void CPDFSDK_AnnotHandlerMgr::Annot_OnLoad(CPDFSDK_Annot* pAnnot) {
+  ASSERT(pAnnot != NULL);
+
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+    pAnnotHandler->OnLoad(pAnnot);
+  }
+}
+
+IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler(
+    CPDFSDK_Annot* pAnnot) const {
+  ASSERT(pAnnot != NULL);
+
+  CPDF_Annot* pPDFAnnot = pAnnot->GetPDFAnnot();
+  ASSERT(pPDFAnnot != NULL);
+
+  return GetAnnotHandler(pPDFAnnot->GetSubType());
+}
+
+IPDFSDK_AnnotHandler* CPDFSDK_AnnotHandlerMgr::GetAnnotHandler(
+    const CFX_ByteString& sType) const {
+  auto it = m_mapType2Handler.find(sType);
+  return it != m_mapType2Handler.end() ? it->second : nullptr;
+}
+
+void CPDFSDK_AnnotHandlerMgr::Annot_OnDraw(CPDFSDK_PageView* pPageView,
+                                           CPDFSDK_Annot* pAnnot,
+                                           CFX_RenderDevice* pDevice,
+                                           CPDF_Matrix* pUser2Device,
+                                           FX_DWORD dwFlags) {
+  ASSERT(pAnnot != NULL);
+
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+    pAnnotHandler->OnDraw(pPageView, pAnnot, pDevice, pUser2Device, dwFlags);
+  } else {
+    pAnnot->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, NULL);
+  }
+}
+
+FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDown(
+    CPDFSDK_PageView* pPageView,
+    CPDFSDK_Annot* pAnnot,
+    FX_DWORD nFlags,
+    const CPDF_Point& point) {
+  ASSERT(pAnnot != NULL);
+
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+    return pAnnotHandler->OnLButtonDown(pPageView, pAnnot, nFlags, point);
+  }
+  return FALSE;
+}
+FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonUp(CPDFSDK_PageView* pPageView,
+                                                   CPDFSDK_Annot* pAnnot,
+                                                   FX_DWORD nFlags,
+                                                   const CPDF_Point& point) {
+  ASSERT(pAnnot != NULL);
+
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+    return pAnnotHandler->OnLButtonUp(pPageView, pAnnot, nFlags, point);
+  }
+  return FALSE;
+}
+FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnLButtonDblClk(
+    CPDFSDK_PageView* pPageView,
+    CPDFSDK_Annot* pAnnot,
+    FX_DWORD nFlags,
+    const CPDF_Point& point) {
+  ASSERT(pAnnot != NULL);
+
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+    return pAnnotHandler->OnLButtonDblClk(pPageView, pAnnot, nFlags, point);
+  }
+  return FALSE;
+}
+FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnMouseMove(CPDFSDK_PageView* pPageView,
+                                                   CPDFSDK_Annot* pAnnot,
+                                                   FX_DWORD nFlags,
+                                                   const CPDF_Point& point) {
+  ASSERT(pAnnot != NULL);
+
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+    return pAnnotHandler->OnMouseMove(pPageView, pAnnot, nFlags, point);
+  }
+  return FALSE;
+}
+FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnMouseWheel(CPDFSDK_PageView* pPageView,
+                                                    CPDFSDK_Annot* pAnnot,
+                                                    FX_DWORD nFlags,
+                                                    short zDelta,
+                                                    const CPDF_Point& point) {
+  ASSERT(pAnnot != NULL);
+
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+    return pAnnotHandler->OnMouseWheel(pPageView, pAnnot, nFlags, zDelta,
+                                       point);
+  }
+  return FALSE;
+}
+FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonDown(
+    CPDFSDK_PageView* pPageView,
+    CPDFSDK_Annot* pAnnot,
+    FX_DWORD nFlags,
+    const CPDF_Point& point) {
+  ASSERT(pAnnot != NULL);
+
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+    return pAnnotHandler->OnRButtonDown(pPageView, pAnnot, nFlags, point);
+  }
+  return FALSE;
+}
+FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnRButtonUp(CPDFSDK_PageView* pPageView,
+                                                   CPDFSDK_Annot* pAnnot,
+                                                   FX_DWORD nFlags,
+                                                   const CPDF_Point& point) {
+  ASSERT(pAnnot != NULL);
+
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+    return pAnnotHandler->OnRButtonUp(pPageView, pAnnot, nFlags, point);
+  }
+  return FALSE;
+}
+
+void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseEnter(CPDFSDK_PageView* pPageView,
+                                                 CPDFSDK_Annot* pAnnot,
+                                                 FX_DWORD nFlag) {
+  ASSERT(pAnnot != NULL);
+
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+    pAnnotHandler->OnMouseEnter(pPageView, pAnnot, nFlag);
+  }
+  return;
+}
+
+void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseExit(CPDFSDK_PageView* pPageView,
+                                                CPDFSDK_Annot* pAnnot,
+                                                FX_DWORD nFlag) {
+  ASSERT(pAnnot != NULL);
+
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+    pAnnotHandler->OnMouseExit(pPageView, pAnnot, nFlag);
+  }
+  return;
+}
+
+FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnChar(CPDFSDK_Annot* pAnnot,
+                                              FX_DWORD nChar,
+                                              FX_DWORD nFlags) {
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+    return pAnnotHandler->OnChar(pAnnot, nChar, nFlags);
+  }
+  return FALSE;
+}
+
+FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnKeyDown(CPDFSDK_Annot* pAnnot,
+                                                 int nKeyCode,
+                                                 int nFlag) {
+  if (!m_pApp->FFI_IsCTRLKeyDown(nFlag) && !m_pApp->FFI_IsALTKeyDown(nFlag)) {
+    CPDFSDK_PageView* pPage = pAnnot->GetPageView();
+    CPDFSDK_Annot* pFocusAnnot = pPage->GetFocusAnnot();
+    if (pFocusAnnot && (nKeyCode == FWL_VKEY_Tab)) {
+      CPDFSDK_Annot* pNext =
+          GetNextAnnot(pFocusAnnot, !m_pApp->FFI_IsSHIFTKeyDown(nFlag));
+
+      if (pNext && pNext != pFocusAnnot) {
+        CPDFSDK_Document* pDocument = pPage->GetSDKDocument();
+        pDocument->SetFocusAnnot(pNext);
+        return TRUE;
+      }
+    }
+  }
+
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+    return pAnnotHandler->OnKeyDown(pAnnot, nKeyCode, nFlag);
+  }
+  return FALSE;
+}
+FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnKeyUp(CPDFSDK_Annot* pAnnot,
+                                               int nKeyCode,
+                                               int nFlag) {
+  return FALSE;
+}
+
+FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnSetFocus(CPDFSDK_Annot* pAnnot,
+                                                  FX_DWORD nFlag) {
+  ASSERT(pAnnot != NULL);
+
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+    if (pAnnotHandler->OnSetFocus(pAnnot, nFlag)) {
+      CPDFSDK_PageView* pPage = pAnnot->GetPageView();
+      pPage->GetSDKDocument();
+      return TRUE;
+    }
+  }
+  return FALSE;
+}
+
+FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnKillFocus(CPDFSDK_Annot* pAnnot,
+                                                   FX_DWORD nFlag) {
+  ASSERT(pAnnot);
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
+    return pAnnotHandler->OnKillFocus(pAnnot, nFlag);
+
+  return FALSE;
+}
+
+CPDF_Rect CPDFSDK_AnnotHandlerMgr::Annot_OnGetViewBBox(
+    CPDFSDK_PageView* pPageView,
+    CPDFSDK_Annot* pAnnot) {
+  ASSERT(pAnnot);
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
+    return pAnnotHandler->GetViewBBox(pPageView, pAnnot);
+
+  return pAnnot->GetRect();
+}
+
+FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnHitTest(CPDFSDK_PageView* pPageView,
+                                                 CPDFSDK_Annot* pAnnot,
+                                                 const CPDF_Point& point) {
+  ASSERT(pAnnot);
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+    if (pAnnotHandler->CanAnswer(pAnnot))
+      return pAnnotHandler->HitTest(pPageView, pAnnot, point);
+  }
+  return FALSE;
+}
+
+CPDFSDK_Annot* CPDFSDK_AnnotHandlerMgr::GetNextAnnot(CPDFSDK_Annot* pSDKAnnot,
+                                                     FX_BOOL bNext) {
+  CBA_AnnotIterator ai(pSDKAnnot->GetPageView(), "Widget", "");
+  return bNext ? ai.GetNextAnnot(pSDKAnnot) : ai.GetPrevAnnot(pSDKAnnot);
+}
+
+FX_BOOL CPDFSDK_BFAnnotHandler::CanAnswer(CPDFSDK_Annot* pAnnot) {
+  ASSERT(pAnnot->GetType() == "Widget");
+  if (pAnnot->GetSubType() == BFFT_SIGNATURE)
+    return FALSE;
+
+  CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;
+  if (!pWidget->IsVisible())
+    return FALSE;
+
+  int nFieldFlags = pWidget->GetFieldFlags();
+  if ((nFieldFlags & FIELDFLAG_READONLY) == FIELDFLAG_READONLY)
+    return FALSE;
+
+  if (pWidget->GetFieldType() == FIELDTYPE_PUSHBUTTON)
+    return TRUE;
+
+  CPDF_Page* pPage = pWidget->GetPDFPage();
+  CPDF_Document* pDocument = pPage->m_pDocument;
+  FX_DWORD dwPermissions = pDocument->GetUserPermissions();
+  return (dwPermissions & FPDFPERM_FILL_FORM) ||
+         (dwPermissions & FPDFPERM_ANNOT_FORM);
+}
+
+CPDFSDK_Annot* CPDFSDK_BFAnnotHandler::NewAnnot(CPDF_Annot* pAnnot,
+                                                CPDFSDK_PageView* pPage) {
+  CPDFSDK_Document* pSDKDoc = m_pApp->GetSDKDocument();
+  CPDFSDK_InterForm* pInterForm = (CPDFSDK_InterForm*)pSDKDoc->GetInterForm();
+  CPDF_FormControl* pCtrl = CPDFSDK_Widget::GetFormControl(
+      pInterForm->GetInterForm(), pAnnot->GetAnnotDict());
+  if (!pCtrl)
+    return nullptr;
+
+  CPDFSDK_Widget* pWidget = new CPDFSDK_Widget(pAnnot, pPage, pInterForm);
+  pInterForm->AddMap(pCtrl, pWidget);
+  CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm();
+  if (pPDFInterForm && pPDFInterForm->NeedConstructAP())
+    pWidget->ResetAppearance(nullptr, FALSE);
+
+  return pWidget;
+}
+
+void CPDFSDK_BFAnnotHandler::ReleaseAnnot(CPDFSDK_Annot* pAnnot) {
+  ASSERT(pAnnot != NULL);
+
+  if (m_pFormFiller)
+    m_pFormFiller->OnDelete(pAnnot);
+
+  CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;
+  CPDFSDK_InterForm* pInterForm = pWidget->GetInterForm();
+  ASSERT(pInterForm != NULL);
+
+  CPDF_FormControl* pCtrol = pWidget->GetFormControl();
+  pInterForm->RemoveMap(pCtrol);
+
+  delete pWidget;
+}
+
+void CPDFSDK_BFAnnotHandler::OnDraw(CPDFSDK_PageView* pPageView,
+                                    CPDFSDK_Annot* pAnnot,
+                                    CFX_RenderDevice* pDevice,
+                                    CPDF_Matrix* pUser2Device,
+                                    FX_DWORD dwFlags) {
+  ASSERT(pAnnot != NULL);
+  CFX_ByteString sSubType = pAnnot->GetSubType();
+
+  if (sSubType == BFFT_SIGNATURE) {
+    pAnnot->DrawAppearance(pDevice, pUser2Device, CPDF_Annot::Normal, NULL);
+  } else {
+    if (m_pFormFiller) {
+      m_pFormFiller->OnDraw(pPageView, pAnnot, pDevice, pUser2Device, dwFlags);
+    }
+  }
+}
+
+void CPDFSDK_BFAnnotHandler::OnMouseEnter(CPDFSDK_PageView* pPageView,
+                                          CPDFSDK_Annot* pAnnot,
+                                          FX_DWORD nFlag) {
+  ASSERT(pAnnot != NULL);
+  CFX_ByteString sSubType = pAnnot->GetSubType();
+
+  if (sSubType == BFFT_SIGNATURE) {
+  } else {
+    if (m_pFormFiller)
+      m_pFormFiller->OnMouseEnter(pPageView, pAnnot, nFlag);
+  }
+}
+void CPDFSDK_BFAnnotHandler::OnMouseExit(CPDFSDK_PageView* pPageView,
+                                         CPDFSDK_Annot* pAnnot,
+                                         FX_DWORD nFlag) {
+  ASSERT(pAnnot != NULL);
+  CFX_ByteString sSubType = pAnnot->GetSubType();
+
+  if (sSubType == BFFT_SIGNATURE) {
+  } else {
+    if (m_pFormFiller)
+      m_pFormFiller->OnMouseExit(pPageView, pAnnot, nFlag);
+  }
+}
+FX_BOOL CPDFSDK_BFAnnotHandler::OnLButtonDown(CPDFSDK_PageView* pPageView,
+                                              CPDFSDK_Annot* pAnnot,
+                                              FX_DWORD nFlags,
+                                              const CPDF_Point& point) {
+  ASSERT(pAnnot != NULL);
+  CFX_ByteString sSubType = pAnnot->GetSubType();
+
+  if (sSubType == BFFT_SIGNATURE) {
+  } else {
+    if (m_pFormFiller)
+      return m_pFormFiller->OnLButtonDown(pPageView, pAnnot, nFlags, point);
+  }
+
+  return FALSE;
+}
+
+FX_BOOL CPDFSDK_BFAnnotHandler::OnLButtonUp(CPDFSDK_PageView* pPageView,
+                                            CPDFSDK_Annot* pAnnot,
+                                            FX_DWORD nFlags,
+                                            const CPDF_Point& point) {
+  ASSERT(pAnnot != NULL);
+  CFX_ByteString sSubType = pAnnot->GetSubType();
+
+  if (sSubType == BFFT_SIGNATURE) {
+  } else {
+    if (m_pFormFiller)
+      return m_pFormFiller->OnLButtonUp(pPageView, pAnnot, nFlags, point);
+  }
+
+  return FALSE;
+}
+
+FX_BOOL CPDFSDK_BFAnnotHandler::OnLButtonDblClk(CPDFSDK_PageView* pPageView,
+                                                CPDFSDK_Annot* pAnnot,
+                                                FX_DWORD nFlags,
+                                                const CPDF_Point& point) {
+  ASSERT(pAnnot != NULL);
+  CFX_ByteString sSubType = pAnnot->GetSubType();
+
+  if (sSubType == BFFT_SIGNATURE) {
+  } else {
+    if (m_pFormFiller)
+      return m_pFormFiller->OnLButtonDblClk(pPageView, pAnnot, nFlags, point);
+  }
+
+  return FALSE;
+}
+
+FX_BOOL CPDFSDK_BFAnnotHandler::OnMouseMove(CPDFSDK_PageView* pPageView,
+                                            CPDFSDK_Annot* pAnnot,
+                                            FX_DWORD nFlags,
+                                            const CPDF_Point& point) {
+  ASSERT(pAnnot != NULL);
+  CFX_ByteString sSubType = pAnnot->GetSubType();
+
+  if (sSubType == BFFT_SIGNATURE) {
+  } else {
+    if (m_pFormFiller)
+      return m_pFormFiller->OnMouseMove(pPageView, pAnnot, nFlags, point);
+  }
+
+  return FALSE;
+}
+
+FX_BOOL CPDFSDK_BFAnnotHandler::OnMouseWheel(CPDFSDK_PageView* pPageView,
+                                             CPDFSDK_Annot* pAnnot,
+                                             FX_DWORD nFlags,
+                                             short zDelta,
+                                             const CPDF_Point& point) {
+  ASSERT(pAnnot != NULL);
+  CFX_ByteString sSubType = pAnnot->GetSubType();
+
+  if (sSubType == BFFT_SIGNATURE) {
+  } else {
+    if (m_pFormFiller)
+      return m_pFormFiller->OnMouseWheel(pPageView, pAnnot, nFlags, zDelta,
+                                         point);
+  }
+
+  return FALSE;
+}
+
+FX_BOOL CPDFSDK_BFAnnotHandler::OnRButtonDown(CPDFSDK_PageView* pPageView,
+                                              CPDFSDK_Annot* pAnnot,
+                                              FX_DWORD nFlags,
+                                              const CPDF_Point& point) {
+  ASSERT(pAnnot != NULL);
+  CFX_ByteString sSubType = pAnnot->GetSubType();
+
+  if (sSubType == BFFT_SIGNATURE) {
+  } else {
+    if (m_pFormFiller)
+      return m_pFormFiller->OnRButtonDown(pPageView, pAnnot, nFlags, point);
+  }
+
+  return FALSE;
+}
+FX_BOOL CPDFSDK_BFAnnotHandler::OnRButtonUp(CPDFSDK_PageView* pPageView,
+                                            CPDFSDK_Annot* pAnnot,
+                                            FX_DWORD nFlags,
+                                            const CPDF_Point& point) {
+  ASSERT(pAnnot != NULL);
+  CFX_ByteString sSubType = pAnnot->GetSubType();
+
+  if (sSubType == BFFT_SIGNATURE) {
+  } else {
+    if (m_pFormFiller)
+      return m_pFormFiller->OnRButtonUp(pPageView, pAnnot, nFlags, point);
+  }
+
+  return FALSE;
+}
+
+FX_BOOL CPDFSDK_BFAnnotHandler::OnChar(CPDFSDK_Annot* pAnnot,
+                                       FX_DWORD nChar,
+                                       FX_DWORD nFlags) {
+  ASSERT(pAnnot != NULL);
+  CFX_ByteString sSubType = pAnnot->GetSubType();
+
+  if (sSubType == BFFT_SIGNATURE) {
+  } else {
+    if (m_pFormFiller)
+      return m_pFormFiller->OnChar(pAnnot, nChar, nFlags);
+  }
+
+  return FALSE;
+}
+
+FX_BOOL CPDFSDK_BFAnnotHandler::OnKeyDown(CPDFSDK_Annot* pAnnot,
+                                          int nKeyCode,
+                                          int nFlag) {
+  ASSERT(pAnnot != NULL);
+  CFX_ByteString sSubType = pAnnot->GetSubType();
+
+  if (sSubType == BFFT_SIGNATURE) {
+  } else {
+    if (m_pFormFiller)
+      return m_pFormFiller->OnKeyDown(pAnnot, nKeyCode, nFlag);
+  }
+
+  return FALSE;
+}
+
+FX_BOOL CPDFSDK_BFAnnotHandler::OnKeyUp(CPDFSDK_Annot* pAnnot,
+                                        int nKeyCode,
+                                        int nFlag) {
+  return FALSE;
+}
+void CPDFSDK_BFAnnotHandler::OnCreate(CPDFSDK_Annot* pAnnot) {
+  ASSERT(pAnnot != NULL);
+  CFX_ByteString sSubType = pAnnot->GetSubType();
+
+  if (sSubType == BFFT_SIGNATURE) {
+  } else {
+    if (m_pFormFiller)
+      m_pFormFiller->OnCreate(pAnnot);
+  }
+}
+
+void CPDFSDK_BFAnnotHandler::OnLoad(CPDFSDK_Annot* pAnnot) {
+  ASSERT(pAnnot != NULL);
+
+  CFX_ByteString sSubType = pAnnot->GetSubType();
+
+  if (sSubType == BFFT_SIGNATURE) {
+  } else {
+    CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;
+    if (!pWidget->IsAppearanceValid())
+      pWidget->ResetAppearance(NULL, FALSE);
+
+    int nFieldType = pWidget->GetFieldType();
+    if (nFieldType == FIELDTYPE_TEXTFIELD || nFieldType == FIELDTYPE_COMBOBOX) {
+      FX_BOOL bFormated = FALSE;
+      CFX_WideString sValue = pWidget->OnFormat(bFormated);
+      if (bFormated && nFieldType == FIELDTYPE_COMBOBOX) {
+        pWidget->ResetAppearance(sValue.c_str(), FALSE);
+      }
+    }
+
+    if (m_pFormFiller)
+      m_pFormFiller->OnLoad(pAnnot);
+  }
+}
+
+FX_BOOL CPDFSDK_BFAnnotHandler::OnSetFocus(CPDFSDK_Annot* pAnnot,
+                                           FX_DWORD nFlag) {
+  ASSERT(pAnnot != NULL);
+  CFX_ByteString sSubType = pAnnot->GetSubType();
+
+  if (sSubType == BFFT_SIGNATURE) {
+  } else {
+    if (m_pFormFiller)
+      return m_pFormFiller->OnSetFocus(pAnnot, nFlag);
+  }
+
+  return TRUE;
+}
+FX_BOOL CPDFSDK_BFAnnotHandler::OnKillFocus(CPDFSDK_Annot* pAnnot,
+                                            FX_DWORD nFlag) {
+  ASSERT(pAnnot != NULL);
+  CFX_ByteString sSubType = pAnnot->GetSubType();
+
+  if (sSubType == BFFT_SIGNATURE) {
+  } else {
+    if (m_pFormFiller)
+      return m_pFormFiller->OnKillFocus(pAnnot, nFlag);
+  }
+
+  return TRUE;
+}
+
+CPDF_Rect CPDFSDK_BFAnnotHandler::GetViewBBox(CPDFSDK_PageView* pPageView,
+                                              CPDFSDK_Annot* pAnnot) {
+  ASSERT(pAnnot != NULL);
+  CFX_ByteString sSubType = pAnnot->GetSubType();
+
+  if (sSubType == BFFT_SIGNATURE) {
+  } else {
+    if (m_pFormFiller)
+      return m_pFormFiller->GetViewBBox(pPageView, pAnnot);
+  }
+
+  return CPDF_Rect(0, 0, 0, 0);
+}
+
+FX_BOOL CPDFSDK_BFAnnotHandler::HitTest(CPDFSDK_PageView* pPageView,
+                                        CPDFSDK_Annot* pAnnot,
+                                        const CPDF_Point& point) {
+  ASSERT(pPageView);
+  ASSERT(pAnnot);
+
+  CPDF_Rect rect = GetViewBBox(pPageView, pAnnot);
+  return rect.Contains(point.x, point.y);
+}
+
+// CReader_AnnotIteratorEx
+
+CPDFSDK_AnnotIterator::CPDFSDK_AnnotIterator(CPDFSDK_PageView* pPageView,
+                                             FX_BOOL bReverse,
+                                             FX_BOOL bIgnoreTopmost /*=FALSE*/,
+                                             FX_BOOL bCircle /*=FALSE*/,
+                                             CFX_PtrArray* pList /*=NULL*/) {
+  ASSERT(pPageView);
+  m_bReverse = bReverse;
+  m_bIgnoreTopmost = bIgnoreTopmost;
+  m_bCircle = bCircle;
+  m_pIteratorAnnotList.RemoveAll();
+  InitIteratorAnnotList(pPageView, pList);
+}
+
+CPDFSDK_Annot* CPDFSDK_AnnotIterator::NextAnnot(const CPDFSDK_Annot* pCurrent) {
+  int index = -1;
+  int nCount = m_pIteratorAnnotList.GetSize();
+  if (pCurrent) {
+    for (int i = 0; i < nCount; i++) {
+      CPDFSDK_Annot* pReaderAnnot =
+          (CPDFSDK_Annot*)m_pIteratorAnnotList.GetAt(i);
+      if (pReaderAnnot == pCurrent) {
+        index = i;
+        break;
+      }
+    }
+  }
+  return NextAnnot(index);
+}
+CPDFSDK_Annot* CPDFSDK_AnnotIterator::PrevAnnot(const CPDFSDK_Annot* pCurrent) {
+  int index = -1;
+  int nCount = m_pIteratorAnnotList.GetSize();
+  if (pCurrent) {
+    for (int i = 0; i < nCount; i++) {
+      CPDFSDK_Annot* pReaderAnnot =
+          (CPDFSDK_Annot*)m_pIteratorAnnotList.GetAt(i);
+      if (pReaderAnnot == pCurrent) {
+        index = i;
+        break;
+      }
+    }
+  }
+  return PrevAnnot(index);
+}
+CPDFSDK_Annot* CPDFSDK_AnnotIterator::NextAnnot(int& index) {
+  int nCount = m_pIteratorAnnotList.GetSize();
+  if (nCount <= 0)
+    index = -1;
+  else {
+    if (index < 0) {
+      index = 0;
+    } else {
+      if (m_bCircle) {
+        index = (index < nCount - 1) ? (index + 1) : 0;
+      } else {
+        index = (index < nCount - 1) ? (index + 1) : -1;
+      }
+    }
+  }
+  return (index < 0) ? NULL : (CPDFSDK_Annot*)m_pIteratorAnnotList.GetAt(index);
+}
+
+CPDFSDK_Annot* CPDFSDK_AnnotIterator::PrevAnnot(int& index) {
+  int nCount = m_pIteratorAnnotList.GetSize();
+  if (nCount <= 0)
+    index = -1;
+  else {
+    if (index < 0) {
+      index = nCount - 1;
+    } else {
+      if (m_bCircle) {
+        index = (index > 0) ? (index - 1) : nCount - 1;
+      } else {
+        index = (index > 0) ? (index - 1) : -1;
+      }
+    }
+  }
+  return (index < 0) ? NULL : (CPDFSDK_Annot*)m_pIteratorAnnotList.GetAt(index);
+}
+
+CPDFSDK_Annot* CPDFSDK_AnnotIterator::Next(const CPDFSDK_Annot* pCurrent) {
+  return (m_bReverse) ? PrevAnnot(pCurrent) : NextAnnot(pCurrent);
+}
+
+CPDFSDK_Annot* CPDFSDK_AnnotIterator::Prev(const CPDFSDK_Annot* pCurrent) {
+  return (m_bReverse) ? NextAnnot(pCurrent) : PrevAnnot(pCurrent);
+}
+
+CPDFSDK_Annot* CPDFSDK_AnnotIterator::Next(int& index) {
+  return (m_bReverse) ? PrevAnnot(index) : NextAnnot(index);
+}
+
+CPDFSDK_Annot* CPDFSDK_AnnotIterator::Prev(int& index) {
+  return (m_bReverse) ? NextAnnot(index) : PrevAnnot(index);
+}
+
+void CPDFSDK_AnnotIterator::InsertSort(CFX_PtrArray& arrayList,
+                                       AI_COMPARE pCompare) {
+  for (int i = 1; i < arrayList.GetSize(); i++) {
+    if (pCompare((CPDFSDK_Annot*)(arrayList[i]),
+                 (CPDFSDK_Annot*)(arrayList[i - 1])) < 0) {
+      int j = i - 1;
+      CPDFSDK_Annot* pTemp = (CPDFSDK_Annot*)arrayList[i];
+
+      do {
+        arrayList[j + 1] = arrayList[j];
+      } while (--j >= 0 && pCompare(pTemp, (CPDFSDK_Annot*)arrayList[j]) < 0);
+
+      arrayList[j + 1] = pTemp;
+    }
+  }
+}
+
+int LyOrderCompare(CPDFSDK_Annot* p1, CPDFSDK_Annot* p2) {
+  if (p1->GetLayoutOrder() < p2->GetLayoutOrder())
+    return -1;
+  if (p1->GetLayoutOrder() > p2->GetLayoutOrder())
+    return 1;
+  return 0;
+}
+
+FX_BOOL CPDFSDK_AnnotIterator::InitIteratorAnnotList(
+    CPDFSDK_PageView* pPageView,
+    CFX_PtrArray* pAnnotList) {
+  ASSERT(pPageView);
+
+  if (pAnnotList == NULL) {
+    pAnnotList = pPageView->GetAnnotList();
+  }
+
+  m_pIteratorAnnotList.RemoveAll();
+  if (!pAnnotList)
+    return FALSE;
+
+  CPDFSDK_Annot* pTopMostAnnot =
+      (m_bIgnoreTopmost) ? NULL : pPageView->GetFocusAnnot();
+
+  int nCount = pAnnotList->GetSize();
+
+  for (int i = nCount - 1; i >= 0; i--) {
+    CPDFSDK_Annot* pReaderAnnot = (CPDFSDK_Annot*)pAnnotList->GetAt(i);
+    m_pIteratorAnnotList.Add(pReaderAnnot);
+  }
+
+  InsertSort(m_pIteratorAnnotList, &LyOrderCompare);
+
+  if (pTopMostAnnot) {
+    for (int i = 0; i < nCount; i++) {
+      CPDFSDK_Annot* pReaderAnnot =
+          (CPDFSDK_Annot*)m_pIteratorAnnotList.GetAt(i);
+      if (pReaderAnnot == pTopMostAnnot) {
+        m_pIteratorAnnotList.RemoveAt(i);
+        m_pIteratorAnnotList.InsertAt(0, pReaderAnnot);
+        break;
+      }
+    }
+  }
+
+  return TRUE;
+}